It has all been leading to this. Every victory. Every loss. All the thrills and sadness; the hope and despair. Bobby Pendragon's heart-pounding journey through time and space has brought him to this epic moment. He and his fellow Travelers must join forces for one last desperate battle against Saint Dane. At stake is not only the 10th and final territory, but all that ever was or will be. Everywhere.

When Bobby Pendragon first arrives on the tropical world of Ibara, he finds paradise. As he works to uncover clues about the turning point this seemingly idyllic territory will soon face, all he can determine is that the people of Ibara are blissfully happy. It's not long before Bobby discovers, however, that they are also blissfully...oblivious.

Quillan is a territory on the verge of destruction. The people have lost control of their own future and must struggle simply to survive. The only chance they have of finding a better life is by playing the Quillan Games. Hosted by a strange pair of game masters, Veego and LaBerge, the games are a mix of sport and combat.

The struggle of good versus evil continues as Bobby Pendragon follows Saint Dane to the territory of Zadaa. Saint Dane's influence has fueled the fire of discontent between two warring tribes: the Rokador and the Batu. This is also the territory where the Traveler Loor lives as a member of the Batu. Together she and Bobby must work to thwart Saint Dane's efforts to destroy Zadaa.

Just when 15-year-old Bobby Pendragon thinks he understands his purpose as a Traveler - to protect the territories of Halla from the evil Saint Dane - he is faced with an impossible choice. The inhabitants of Eelong are in danger of being wiped out by a mysterious plague. Only Bobby knows how to stop it, but it means bringing the antidote from another territory - Cloral.

Fifteen-year-old Bobby Pendragon is a loyal friend, sports star, devoted pet owner - and Traveler. Along with his uncle Press, Bobby has visited the alternate dimension of Denduron and participated in a civil war. He's also waded through the endangered underwater territory of Cloral. Now Bobby once again finds himself thrust beyond the boundaries of time and space into a place that seems somewhat familiar: First Earth.

Fourteen-year-old Bobby Pendragon is not like other boys his age. His uncle Press is a Traveler, and, as Bobby has learned, that means Uncle Press is responsible, through his journeys, for solving interdimensional conflict wherever he encounters it. His mission is nothing less than to save the universe from ultimate evil. And he's taking Bobby along for the ride.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

The sand-blasted world of Arrakis has become green, watered, and fertile. Old Paul Atreides, who led the desert Fremen to political and religious domination of the galaxy, is gone. But for the children of Dune, the very blossoming of their land contains the seeds of its own destruction. The altered climate is destroying the giant sandworms, and this in turn is disastrous for the planet's economy.

The 26th century. Humanity has expanded beyond Earth’s system to hundreds of planets that colonists now call home. But the United Earth Government and the United Nations Space Command is struggling to control this vast empire. After exhausting all strategies to keep seething colonial insurrections from exploding into a full-blown interplanetary civil war, the UNSC has one last hope.